Robert Roos | News Editor | CIDRAP NewsFeb 17, 2014The 13-valent vaccine for young kids was shown more effective than the 23-valent version for older adults.Share Tweet Email Print & PDF
Robert Roos | News Editor | CIDRAP News
Feb 17, 2014
The 13-valent vaccine for young kids was shown more effective than the 23-valent version for older adults.
